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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryIndustryElectrical IndustrySchlierenLightium AG
Lightium AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Lightium AG is the development and manufacture of thin-film lithium niobate (TFLN)-based photonic integrated circuits (PICs) for the data processing and communications industry. The company offers foundry services ranging from rapid prototyping to high-volume production and supports customers in developing photonic solutions for applications such as high-speed data transmission and artificial intelligence.

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Products & services

Industry:Electrical Industry
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Lightium AG

✓ Offered4
Photonic foundry services for TFLN
Photonic Integrated Circuit (PIC) foundry and design services based on Thin-Film Lithium Niobate, from rapid prototyping to series production on 200-mm wafers.
Design services for photonic integrated circuits
PIC design services for Thin-Film Lithium Niobate platforms, including design enablement and support for applications in telecom, datacom, quantum and AI.
Testing and measurement services for PICs
Testing and measurement infrastructure for photonic integrated circuits, including ultra-high-speed device measurements and support for R&D as well as high-volume production.
Packaging and assembly support for PICs
Photonic packaging solutions and an assembly design kit (ADK) for ultra-high-speed photonic integrated circuits, for better integration into real applications.
Trust & reputation

ranQ Trust Score of Lightium AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

Lightium AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Lightium AG scores 67.9 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.50.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.70.07%
Lightium AG scores 86.7 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).86.722%
Lightium AG scores 65.9 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.68.64%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.63.34%
Qualifications+0.00

Lightium AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 58%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Press

Media

July 1, 2026Media
Lightium, enshift und Swiss Cluster gewinnen den Swiss Economic Award
moneycab.com
July 1, 2026Media
Swiss Economic Award 2026 goes to Lightium, Swiss Cluster and enshift
startupticker.ch
May 7, 2025Media
Lightium wins the 32nd Prix Strategis
startupticker.ch
September 20, 2024Media
Sieben Millionen Dollar für Schlieremer Startup Lightium
inside-it.ch
September 19, 2024Media
Lightium raises $7 million in oversubscribed seed round
startupticker.ch

Knowledge

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Comparisons

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Location

Wagistrasse 13
8952 Schlieren
Opening hours
Mon
09:00 - 17:00
Tue
09:00 - 17:00
Wed
09:00 - 17:00
Thu
09:00 - 17:00
Fri
09:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-372.073.264
Founded
2023 · 3 years
Last commercial register change
September 6, 2024
Employees
11 to 20
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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